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- The spaces of lower first molar were all closed using mesiotranslation of lower second molar. 应用第二磨牙近中平移技术关闭第一磨牙拔牙间隙。
- Results: spase of extraction of the lower first molar have closed entirely, have completely distoocclusion. all cases had good treatment effects after orthodontic treatmen... 结果:拔牙间隙完全关闭,达到完全远中关系,获得理想的治疗效果。结论:矫治设计过程中,保留更多的健康牙位,维持口腔的功能,熟练掌握间隙关闭的控制方法。
- Maximum lingual inclination was observed in the lower first molars. 最大唇（颊）侧倾斜为正门齿，最大舌侧斜则为第一大臼齿。
- Labial (buccal) inclination was observed in all teeth except the lower first molars and the lower second molars. 上颚皆为唇（颊）侧倾斜，最大唇（颊）侧倾斜为正中门齿。
- Methods Ninety-five lower first molars with buccolingual vertical fracture were separated and cut vertically along the fracture line to exposure the proximal and distal residual roots. 方法选取95例颊舌方向纵折之下颌第一磨牙病例,完全纵剖牙冠及髓室底,获得独立的近远中残根,完整的根管治疗后,行桩核和烤瓷熔附金属全冠修复,3年后进行临床评价。
- lower first molar 下颌第一磨牙
- The fistula was connected with mandibular body but the first molar. 颊瘘与外斜线相连,与下颌第一磨牙根尖不相通连。
- This 40-year-old male suffered from inconvenience when eating due to the absence of the lower right first molar and second premolar. 本文报告一位40岁的男性病例，主诉右下后方缺牙导致吃东西不便。
- Method: Eight male adult dogs underwent extraction of the mand ible third、 fourth premolar and first molar. 方法:8只成年雄性杂种狗,拔除双侧下颌第三、前磨牙和第一磨牙。
- The first molar plays an important role during mastication so you need a denture to replace it. 第一个磨牙在咀嚼的过程中发挥着重要的作用，因此您需要用一颗假牙来替换它。
- Methods Left mandible(without the second premolar and the first molar)was used for specimen. 方法对缺失的下颌骨进行固定桥修复。
- ObjectiveTo discuss the design and fabrication of the photoelastic model of mandibular first molar after hemisection. 目的探讨下颌第一磨牙半切术后光弹模型的设计和制作。
- Objective To observe the stress distribution of maxillary first molar and its periodontium in lingual orthodontics. 目的采用有限元的方法研究舌侧矫治过程中上颌第一磨牙牙根、牙周膜、牙槽骨应力分布的特点。
- Another noted finding is that the furcation of alveolar bone played a major role on the tooth mobility of first molar. 且牙根分叉处齿槽骨对第一大臼齿牙齿动摇度的影响扮演了一个重要的角色。
- Objective To study the anatomical factors of vertical root fractures(VRFs)on vital pulp of maxillary first molar. 目的分析活髓下颌第一磨牙根纵裂的解剖学病因。
- The order of import precedence (lowest first) is D, B, E, C, A. 导入优先级的顺序(从优先级最低的开始)为D、B、E、C、A。
- Methods Crowns made of five types of detental casting alloys were put on a crossbreed dog's first molar respectively. 方法选择目前临床口腔固定修复最常用的贵金属和非贵金属作为实验材料,通过动物实验的方法对它们在MRI图像上产生伪影的大小作分析。
- But Longgupo also yielded a mystery jaw fragment, including the fourth premolar and the first molar. 但龙骨坡还发现了一件神秘的下颌残片，包括第四前臼齿和第一臼齿。
- After treatment the changes of dental arch width in first and second premolar region were larger than that of cuspid and first molar regions. 上颌第一、二双尖牙间各自宽度较尖牙间、一磨牙间宽度增加显著。
- "AIP Overload" causes paralysis in any process resulting in missed schedules, long cycle times, and low First Pass Yields. “进程中行动超负荷”引起流程的瘫痪,导致无法按期完成工作,周期时间长,第一次通过率低。
